CVE-2023-46862
MEDIUMCVSS 4.7/10EPSS 0.23%
Last modified
CVE-2023-46862 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 6.5.9 |
References
- https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-46862?
An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
How severe is CVE-2023-46862?
CVE-2023-46862 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2023-46862?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-46862?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST